Table 3.
Usability Methods Utilized
| Usability Method | Type of Evaluation |
Total n (%) | |||
|---|---|---|---|---|---|
| R/D | Prototype | I/PI | Mixed | ||
| Survey | 2 | 7 | 50 | 10 | 69 (37) |
| Think-aloud | 2 | 6 | 19 | 9 | 36 (19) |
| Interview | 2 | 5 | 12 | 4 | 23 (12) |
| Heuristics | 2 | 4 | 8 | 3 | 17 (9) |
| Cognitive walkthrough | 2 | 2 | 8 | 1 | 13 (7) |
| Focus group | 1 | 3 | 5 | – | 9 (5) |
| Task analysis | 1 | 1 | 2 | 2 | 6 (3) |
| Clinical workflow analysis | 1 | – | 1 | 3 | 5 (3) |
| Card sort | 1 | – | – | 1 | 2 (1) |
| KLM | – | – | 1 | 1 | 2 (1) |
| TURF/UFuRT | – | – | 1 | 1 | 2 (1) |
| Brainstorm | – | – | – | 1 | 1 (<1) |
| GOMS | – | – | 1 | – | 1 (<1) |
| Total, n (%) | 14 (8) | 28 (15) | 108 (58) | 36 (19) | 186 |
GOMS, goals, operators, methods, and selections; KLM, keystroke-level model; I/PI, implementation/post-implementation; R/D, requirements/development; TURF/UFuRT, tasks, users, representations, and functions.